/Engine/Source/Runtime/SlateCore/Public/Widgets/SBoxPanel.h
typedef [SBoxPanel::FScopedWidgetSlotArguments](API\Runtime\SlateCore\Widgets\SBoxPanel\FScopedWidgetSlotArguments)< [SStackBox::FSlot](API\Runtime\SlateCore\Widgets\SStackBox\FSlot) > FScopedWidgetSlotArguments